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Finding the Fourth Proportional to 109,054.74, 150,484.06 and 60,648.84

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Solution

The fourth proportional to 109,054.74, 150,484.06 and 60,648.84 is: 83,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,054.74 : 150,484.06 = 60,648.84 : x
  2. Step 2: Convert to fraction form
    109,054.74/150,484.06 = 60,648.84/x
  3. Step 3: Cross multiply
    109,054.74x = 150,484.06 × 60,648.84
  4. Step 4: Simplify right side
    109,054.74x = 9,126,683,677.49
  5. Step 5: Solve for x
    x = 9,126,683,677.49/109,054.74
  6. Step 6: Final answer
    x = 83,689.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.